Severson #4 is an earth dam located in Garfield County, Montana, built in 1969. It carries a Low hazard potential classification.
Dam profile
NID height · 12 ft12 ft tall and 175 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Severson #4
The primary purpose of Severson #4 is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by George Severson (private). It impounds the Tr-sand Creek.
The dam stands 12 feet tall and stretches 175 feet across, and has a maximum storage capacity of 70 acre-feet. Completed in 1969, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.
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Location
| State | Montana |
| County | Garfield |
| Nearest City | None |
| River/Stream | Tr-sand Creek |
| Coordinates | 46.98140, -107.25230 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 175 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 70 acre-ft |
| Max Storage | 70 acre-ft |
| Normal Storage | 12 acre-ft |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | George Severson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02303 |
| Federal ID | MT02303 |
| More Info | State Dam Safety Program |